Arizona Diamondbacks vs Colorado Rockies Prediction, 9/23/2026 MLB Picks, Best Bets & Odds

Game: Arizona Diamondbacks vs Colorado Rockies

Date: Wednesday, September 23, 2026

Location: Coors Field in Denver, CO

TV: Rockies.TV

Odds/Point Spread: Arizona (-128) Colorado (+106)

Coors Field is the site where the Colorado Rockies (57-99) will try to defeat the Arizona Diamondbacks (82-74) on Wednesday. The odds on this game have the Diamondbacks at -128 and the Rockies are sitting at +106. The over/under has been set at 9. The expected starting pitchers will be Merrill Kelly and Mason Adams.

The Diamondbacks have accrued 258 doubles as a unit and have hit 157 balls out of the park. Arizona is slugging .398 and have been called out on strikes 1,155 times, while drawing a walk on 519 occasions. As a squad, the Arizona Diamondbacks are putting up 4.4 runs per contest, which has them sitting at 15th in baseball. They have compiled 662 RBI's as well as 1,276 hits for the year, while their average at the plate is sitting at .244. They have racked up 693 runs while having a team on-base percentage of .316.

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They have accumulated a K/BB ratio of 2.34 and the pitching staff holds a collective WHIP of 1.28. Diamondbacks pitchers have surrendered 178 home runs and 694 runs (16th in the league). Arizona has allowed 1,307 hits (8.5 per 9 innings) as well as 634 earned runs. The Diamondbacks have an earned run average of 4.11 on the campaign (12th in MLB), and the staff has rung up 1,094 batters. They have walked 467 hitters and their FIP is 4.33 as a team this year.

Diamondbacks pitchers have gone to the mound with opponents on base 139 times as well as having 167 appearances in high leverage situations. The bullpen have earned 81 holds over the course of the season (19th in MLB). The Diamondbacks bullpen have compiled a save rate of 67.3% and have stepped onto the mound in 137 save situations. They have recorded 37 saves for the year and have blown 18 of 55 chances to save the game. The relief pitchers have inherited 201 runners so far this year with 26.9% of those runners ended up scoring. The Diamondbacks have sent 527 relievers to the mound for the year.

The Arizona Diamondbacks have accounted for 4,170 putouts over the course of the season, as well as 1,347 assists and 62 errors. Their fielding percentage sits at .989 which has them ranked 2nd in baseball, and they have turned 134 double plays. The Diamondbacks have turned 71.3% of baseballs in play into outs out of their 12,510 innings on the field, which ranks them 7th in baseball.

Kelly has taken the mound for 1,164 frames and has racked up 1,022 strikeouts in his career. Kelly (74-67 career mark) has earned a FIP of 3.88 while going up against 4,826 batters during his time in the major leagues. His earned run average is 3.93 (509 ER's allowed) and he has a career WHIP of 1.235. He has allowed 1,069 base knocks (8.3 hits per 9 innings) with 369 walks.

Colorado has hit 170 long balls on the season as well as 696 RBIs. They have recorded 273 two-baggers, while walking 489 times as well as scoring 727 runs. The Colorado Rockies have compiled an on-base percentage of .323 and a batting average of .254 on the year. The Rockies hold a team SLG% of .416 and they earn 4.66 runs per game (7th in baseball). They have been rung up on 1,357 instances (8th in MLB) and have notched a total of 1,351 hits.

The Colorado pitching staff have given up 904 runs on the season while having a team ERA of 5.57 (848 earned runs yielded). They have surrendered 215 long balls and they allow 5.94 runs per 9 innings (30th in baseball). The Rockies have a team WHIP of 1.526 with a FIP of 4.84 as a pitching staff this year. Their strikeout to walk ratio comes in at 7.00 (1,072 strikeouts against 519 free passes). They come in at 30th in baseball as a staff in total hits given up with 1,570.

They rank 24th in MLB with a save percentage of 56.9%, and they have sent 483 relief pitchers onto the field this season. Their relief pitchers have stepped onto the mound 149 times in high leverage situations and on 155 occasions with runners on. With 122 save situations, the Rockies have 60 holds in addition to 25 blown saves. Colorado has had relief pitchers enter the contest in 58 save chances and they have walked away with 33 saves. Colorado bullpen pitchers hold an inherited score percentage of 31.8% out of their 239 inherited base runners.

In their 12,327 innings played, the Rockies hold a defensive efficiency of 66.8% (30th in pro baseball). The Colorado Rockies have turned 125 double plays and have accounted for a fielding rate of .983 (27th in the majors). The Rockies have accrued 1,301 assists, 95 errors and have amassed 4,109 putouts so far this season.

Thus far in his career, Adams has surrendered 26 base knocks and he has 23 K's in 23 innings pitched. Adams (0-1 mark in his career) holds a 5.09 earned run average while conceding 10.2 hits per 9 innings. He has given up 13 earned runs while holding a WHIP of 1.652 and having a FIP of 5.0. He has a strikeout to walk ratio of 1.92 and he has faced 101 batters during his MLB career.

Who will win tonight's MLB game against the spread or moneyline?

Josh Schonwald's Pick: Take Colorado (+106)

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